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 A Boy, a Girl, a Dog, and a Bicycle (Posted on 2004-02-03)
A boy, a girl and a dog go for a 10 mile walk. The boy and girl can walk at 2 mph and the dog can trot at 4 mph.

They also have a bicycle which only one of them (including the dog!) can use at a time.
When riding, the boy and girl can travel at 12 mph while the dog can pedal at 16 mph.

What is the shortest time in which all three can complete the trip?

 See The Solution Submitted by DJ Rating: 4.4000 (10 votes)

 Subject Author Date Puzzle Solution K Sengupta 2008-06-06 01:46:51 answer K Sengupta 2007-07-28 12:48:00 re: A Boy, a Girl, a Dog, and a Bicycle Richard 2004-02-11 21:11:39 A Boy, a Girl, a Dog, and a Bicycle Chuck Horn 2004-02-11 14:25:17 re(4): solution dave domingo 2004-02-04 15:15:36 re(3): solution Brian Wainscott 2004-02-04 13:38:30 re(3): solution SilverKnight 2004-02-04 13:02:53 re(2): solution dave domingo 2004-02-04 12:48:31 Solution Brian Smith 2004-02-04 10:44:36 re(2): Better late than never... SilverKnight 2004-02-04 06:23:12 re: Better late than never... Jils 2004-02-04 06:17:46 Another meanie on the flooble website ?? Penny 2004-02-04 00:00:59 my answer meanie 2004-02-03 22:04:36 re: Better late than never... Richard 2004-02-03 20:40:21 Better late than never... Brian Wainscott 2004-02-03 19:24:17 re: solution SilverKnight 2004-02-03 14:58:07 solution dave domingo 2004-02-03 14:37:22 i know how but not how fast dave domingo 2004-02-03 14:19:34 Solution steve 2004-02-03 13:59:17 Theoretical minimum that can't be done logistically. Charlie 2004-02-03 13:40:35 fun dave domingo 2004-02-03 13:33:03

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